﻿.timeline-box {
  background: #fff;
  padding: 8px;
  position: relative;
  min-height: 90vh;
}

.timeline-main {
  position: relative;
  min-height: 85vh;
}

.timeline-main > h1 {
  font-size: 18px;
  background: #fff;
  z-index: 1;
  position: relative;
  color: #009688;
  margin-left: 33%; /*写给不支持calc()的浏览器*/
  margin-left: -moz-calc(35% - 7px);
  margin-left: -webkit-calc(35% - 7px);
  margin-left: calc(35% - 7px);
}

.timeline-main > h1 > i {
  padding-right: 10px;
  font-size: 20px;
}

.timeline-main > h1 > span {
  display: none;
}

.timeline-main h2,
.timeline-main h3 {
  width: 31%;
  text-align: right;
}

.timeline-main h2,
.timeline-main h2 > a {
  font-size: 16px;
  margin: 5px 0;
  color: #1E9FFF;
}

.timeline-main h3,
.timeline-main h3 > a {
  font-size: 14px;
  margin: 2px 0;
  color: #FF5722;
}

.timeline-month > ul > li {
  padding: 10px 0;
}

.timeline-month > ul > li .h4 {
  display: inline-block;
  width: 31%;
  text-align: right;
  float: left;
}

.date {
  display: inline-block;
  padding: 2px 5px;
  color: #009688;
}

.dot-circle {
  color: #009688;
  width: 8%;
  text-align: center;
  font-size: 22px;
  z-index: 1;
  position: relative;
  background: #fff;
  float: left;
}

.content {
  max-width: 50%;
  float: left;
  padding: 10px;
  margin-left: 10px;
  position: relative;
  z-index: 1;
  background: #009688;
  color: #fff;
}

.content::before {
  position: absolute;
  left: -20px;
  top: 6px;
  height: 0;
  width: 0;
  content: '';
  border: 10px solid rgba(255, 255, 255, 0.00);
  border-top: 6px solid rgba(255, 255, 255, 0.00);
  border-bottom: 6px solid rgba(255, 255, 255, 0.00);
  border-right-color: #009688;
}

.timeline-line {
  position: absolute;
  left: 35%;
  top: 0;
  height: 100%;
  width: 2px;
  background: #009688;
  z-index: 0;
}

.timeline-year {
  margin: 10px 0;
}

/* 小屏幕（平板，大于等于 768px） */
@media (min-width: 768px) {
  .timeline-box {
    background: #fff;
    padding: 15px;
    position: relative;
    min-height: 90vh;
  }

  .timeline-main > h1 {
    font-size: 26px;
    margin-left: 16%; /*写给不支持calc()的浏览器*/
    margin-left: -moz-calc(18% - 13px);
    margin-left: -webkit-calc(18% - 13px);
    margin-left: calc(18% - 13px);
  }

  .timeline-main > h1 > i {
    font-size: 30px;
  }

  .timeline-main > h1 > span {
    display: inline;
  }

  .timeline-main h2,
  .timeline-main h3 {
    width: 16%;
  }

  .timeline-main h2,
  .timeline-main h2 > a {
    font-size: 24px;
  }

  .timeline-main h3,
  .timeline-main h3 > a {
    font-size: 20px;
  }

  .timeline-month > ul > li .h4 {
    width: 16%;
  }

  .dot-circle {
    width: 4%;
    font-size: 22px;
  }

  .content {
    max-width: 70%;
  }

  .timeline-line {
    left: 18%;
  }
}

/* 中等屏幕（桌面显示器，大于等于 992px） */
@media (min-width: 992px) {
  .blog-container {
    /*width: 962px;*/
    /*width:1050px;*/
  }

  .timeline-main > h1 {
    font-size: 34px;
    background: #fff;
    z-index: 1;
    position: relative;
    color: #009688;
    margin-left: 17%; /*写给不支持calc()的浏览器*/
    margin-left: -moz-calc(18% - 16px);
    margin-left: -webkit-calc(18% - 16px);
    margin-left: calc(18% - 16px);
  }

  .timeline-main > h1 > i {
    font-size: 36px;
  }

  .timeline-main h2,
  .timeline-main h2 > a {
    font-size: 30px;
  }

  .timeline-main h3,
  .timeline-main h3 > a {
    font-size: 24px;
  }
}